integrated over the last 2 weeks, they are at least 90% efficient,
probably 95%. although i'm not very sensitive to the forward tofs yet.
are the light guides still tied to some rope so they do not fall down
and break something?
--chris
Taylan Akdogan wrote:
>On Fri, 12 Nov 2004, Adrian T Sindile wrote:
>
>
>
>>Hi!
>>Taylan called me and I pointed him to the TOF repair web page.
>>He graciuosly offered to mount the PMT on LT5 following the web
>>instructions, as neither Pete nor I could be at Bates during the day
>>today...
>>
>>To try and fix the RTT3, which Michael reported as having the lightguide
>>at a different angle, the whole group of 4 TOFs needs to be taken out with
>>a crane, RTT3 needs to be separated and then glued, cured overnight and
>>put back the next day. As it is now, it still gets data (but it should be
>>fixed ASAP).
>>If the two techs whom we trained for this (Chris and Dave?) are not around
>>anymore, Pete and I can come and fix it whenever there is plan on opening
>>the hall for half a day (Monday, Tuesday? Just let us know)... and then
>>come and put them back the next day. Data taking will probably have to
>>stop for those two days (4 TOFs missing)...
>>
>>
>
>
>How inefficient are they? Unless they are completely inefficient,
>which seems not to be the case, we should wait the weekly
>maintenance day for this.
>
>Taylan
>
>
>
>
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